How rare is the last name Riordan?

7,544 people in the United States have the last name Riordan, about 1 in 39,621. It ranks #4,565 of 156,621 last names in the 2020 Census.

last name

RIORDAN

#4,565

of 156,621 last names recorded in the 2020 Census

People
7,544
About
1 in 39,621
This common or more
57.4%
Who bears it

Of the 7,544 people with the last name Riordan, 92.2% reported their origin as White, 3.3% as Hispanic or Latino and 2.9% as two or more races. These count how people described themselves on the 2020 Census, not where the name comes from.

Either side of Riordan

#4,563 Teel · 7,547#4,564 Talavera · 7,545#4,566 Hail · 7,541#4,567 Hardison · 7,539

Spelled almost the same

One last name in the 2020 Census spelled within a letter or two of Riordan, most common first.

#100,469 Riordon · 192

Also a first name

As a first name, Riordan ranks #29,086 of 53,615, with 306 people. See Riordan as a first name

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